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⟦89636116a⟧ Ada Source

    Length: 5120 (0x1400)
    Types: Ada Source
    Notes: 03_class, FILE, R1k_Segment, e3_tag, package body Statements, seg_034a63

Derivation

└─⟦8527c1e9b⟧ Bits:30000544 8mm tape, Rational 1000, Arrival backup of disks in PAM's R1000
    └─ ⟦cfc2e13cd⟧ »Space Info Vol 2« 
        └─⟦this⟧ 

with Expression, More_Statements;
with Bug_Report;

package body Statements is

    type Node_Structure is
        record
            Rule : Natural range 0 .. 2 := 0;
            Expr : Expression.Node := Expression.Empty_Node;
            More : More_Statements.Node := More_Statements.Empty_Node;
        end record;

    procedure Parse (N : in out Node) is
        use Scanner;
    begin  
        N := new Node_Structure;
        if Expression.Is_First (Scanner.Get_Token) then
            N.Rule := 1;
            Expression.Parse (N.Expr);
            More_Statements.Parse (N.More);
        else
            case Scanner.Get_Token is
                when Scanner.Renvoyer =>
                    N.Rule := 2;
                    Scanner.Next;
                    Expression.Parse (N.Expr);
                when others =>
                    if not (Scanner.Get_Token = Scanner.Eof or else
                            Scanner.Get_Token = Scanner.Close_Brace) then
                        raise Bug_Report.Unexpected_Token;  
                    end if;
            end case;
        end if;  
    end Parse;

    function Is_First (T : Scanner.Token) return Boolean is
        use Scanner;
    begin
        return T = Renvoyer or else Expression.Is_First (T);
    end Is_First;

    function Interpret (N : Node;
                        Inherited : Object.Reference := Object.Void_Reference)
                       return Object.Reference is
        Result : Object.Reference;
    begin
        case N.Rule is
            when 0 =>
                Result := Inherited;
            when 1 =>
                Result := Expression.Interpret (N.Expr);
                Result := More_Statements.Interpret (N.More, Result);
            when 2 =>
                Result := Expression.Interpret (N.Expr);
        end case;
        return Result;
    end Interpret;
end Statements;

    nblk1=4
    nid=2
    hdr6=4
        [0x00] rec0=1e rec1=00 rec2=01 rec3=07a
        [0x01] rec0=1e rec1=00 rec2=03 rec3=000
        [0x02] rec0=09 rec1=00 rec2=02 rec3=000
        [0x03] rec0=05 rec1=00 rec2=04 rec3=000
    tail 0x2152d35d084d473ac4e01 0x42a00088462060003
Free Block Chain:
  0x2: 0000  00 04 00 2e 80 01 3b 01 00 12 20 20 20 20 65 6e  ┆   .  ;       en┆
  0x4: 0000  00 00 00 0f 80 0c 20 20 20 20 20 20 20 20 20 20  ┆                ┆